Finding the Fourth Proportional to 3,086,536.85, 4,259,420.21 and 1,709,969.99
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Solution
The fourth proportional to 3,086,536.85, 4,259,420.21 and 1,709,969.99 is: 2,359,758.22
Step by Step Solution
- Step 1: Write the proportion equation
3,086,536.85 : 4,259,420.21 = 1,709,969.99 : x - Step 2: Convert to fraction form
3,086,536.85/4,259,420.21 = 1,709,969.99/x - Step 3: Cross multiply
3,086,536.85x = 4,259,420.21 × 1,709,969.99 - Step 4: Simplify right side
3,086,536.85x = 7,283,480,704,052.55 - Step 5: Solve for x
x = 7,283,480,704,052.55/3,086,536.85 - Step 6: Final answer
x = 2,359,758.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.